The hardening hypothesis: does it matter? | Tobacco Control

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The hardening hypothesis: does it matter?

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Authors

Graeme Docherty PubMed articles Google scholar articles
Ann McNeill PubMed articles Google scholar articles

Correspondence to Graeme Docherty, Division of Epidemiology and Public Health, UK Centre for Tobacco Control Studies, C100, Clinical Sciences Building 2, University of Nottingham, City Hospital, Hucknall Road, Nottingham NG5 1PB, UK; graeme.docherty{at}nottingham.ac.uk

Citation

Docherty G, McNeill A

The hardening hypothesis: does it matter?

Tobacco Control 2012;21:267-268.

Publication history

First published February 16, 2012.

Online issue publication

May 13, 2016

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© 2012, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.